Catalytic performance of non-alloyed bimetallic PtAu electrocatalysts for methanol oxidation reaction

2017 ◽  
Vol 42 (51) ◽  
pp. 30109-30118 ◽  
Author(s):  
Yuan-Yuan Feng ◽  
Gui-Hua Song ◽  
Qiang Zhang ◽  
Hua-Shuai Hu ◽  
Mei-Ying Feng ◽  
...  
2019 ◽  
Vol 473 ◽  
pp. 943-950 ◽  
Author(s):  
Yajing Wang ◽  
Jiankang Wang ◽  
Guokang Han ◽  
Chunyu Du ◽  
Yongrong Sun ◽  
...  

RSC Advances ◽  
2016 ◽  
Vol 6 (57) ◽  
pp. 51569-51574 ◽  
Author(s):  
Yehui Zhang ◽  
Chenchen Lu ◽  
Guili Zhao ◽  
Zhenghua Wang

Gold–platinum dendritic nanoparticles prepared through a surfactant-free wet-chemical route exhibited good catalytic performance for the methanol oxidation reaction.


RSC Advances ◽  
2015 ◽  
Vol 5 (114) ◽  
pp. 94210-94215 ◽  
Author(s):  
Wenjun Kang ◽  
Rui Li ◽  
Denghu Wei ◽  
Shuling Xu ◽  
Shenying Wei ◽  
...  

Urchin-like PtCu alloy nanostructures were fabricated using a CTAB-reduced approach, and they exhibited enhanced catalytic performance towards MOR.


2011 ◽  
Vol 38 (2) ◽  
pp. 383-391 ◽  
Author(s):  
T. Maiyalagan ◽  
C. Mahendiran ◽  
K. Chaitanya ◽  
Richa Tyagi ◽  
F. Nawaz Khan

Surfaces ◽  
2019 ◽  
Vol 2 (1) ◽  
pp. 16-31 ◽  
Author(s):  
Gladys Arteaga ◽  
Luis M. Rivera-Gavidia ◽  
Sthephanie J. Martínez ◽  
Rubén Rizo ◽  
Elena Pastor ◽  
...  

Graphene oxide (GO), reduced graphene oxide by thermal treatment (rGO-TT), nitrogen-modified rGO (N-rGO), and carbon Vulcan were synthesized and employed in the current work as catalyst support for Pt nanoparticles, to study their properties and impact toward the methanol oxidation reaction (MOR) in sulfuric acid medium. Several physicochemical techniques, such as X-ray photoelectron spectroscopy (XPS), X-ray powder diffraction (XRD), Transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDX), Raman, and elemental analysis were employed to characterize the novel materials, while potentiodynamic and potentiostatic methods were used to study catalytic performance toward the methanol oxidation reaction in acidic medium. The main results indicate a high influence of the support on the surface electronic state of the catalyst, and consequently the catalytic performance toward the MOR is modified. Accordingly, Pt/N-rGO and Pt/rGO-TT show the lowest and the highest catalytic performance toward the MOR, respectively.


2017 ◽  
Vol 1142 ◽  
pp. 234-237
Author(s):  
Hui Liu ◽  
Yan Feng ◽  
Jun Yang

Controlling the morphology of platinum (Pt)-based nanomaterials is an effective strategy to enhance their catalytic performance for a given reaction. Here we report the syntheses of bimetallic Au-Pt nanomaterials with spherical or dendritic morphologies by a seed-mediated growth method. In this route, the gold (Au) nanoparticles are firstly prepared as seeds in oleylamine, which are subsequently seeded the growth of regular or dendritic Pt shells at different Au/Pt molar ratios. The electrochemical measurements show that the core-shell Au-Pt nanodendrites have better catalytic activity than that of core-shell Au-Pt nanoparticles for methanol oxidation reaction due to their abundant atomic steps, edges, and corner atoms in the branched Pt shells.


2019 ◽  
Vol 55 (75) ◽  
pp. 11247-11250 ◽  
Author(s):  
Xudong Yang ◽  
Jia Xue ◽  
Ligang Feng

Pt/Te nanorods exhibited excellent catalytic performance for methanol oxidation in both acidic and alkaline electrolytes.


2015 ◽  
Vol 3 (11) ◽  
pp. 5850-5858 ◽  
Author(s):  
Haibo Li ◽  
Cancan Ren ◽  
Shuling Xu ◽  
Lei Wang ◽  
Qiaoli Yue ◽  
...  

Alloying Pt with both Te and Cu could effectively improve ternary TeCuPt catalytic activity for electronic and geometric structure effects.


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